Which of the following protein types would you predict is defective in kidney water balance disorders?
A) aquaporin
B) porin
C) class ATPase
D) anion exchange protein
E) GLUT
Answer: A
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The dynamics of an ecosystem depends on two
main processes:
a. the cycling of energy and the unidirectional flow of nutrients. b. the unidirectional flow of energy and the cycling of nutrients. c. the multidirectional flow of both energy and nutrients. d. the unidirectional flow of both energy and nutrients. e. the cycling of both energy and nutrients.
Notes and observations of the venus fly-trap showed that:
A. the plant reacts to all stimuli B. The plant reacts to things that give off a strong electrical charge C. The plant is very sensitive and responds to specific stimuli D. The plant response is time sensitive E. none of the these
The process of reabsorption in the formation of urine ensures that __________.
a. excess H+ is removed from the blood b. drugs and toxins are removed from the blood c. urine is always hyperosmotic to the interstitial fluid d. pH is maintained by balancing H+ and HCO3- e. glucose, salts, and water are returned to the blood
How many copies of a specific allele does a somatic cell have?
a. 1 b. 2 c. 23 d. 46 e. 92